Nqs Drilling & Blasting Rock Drilling And Blasting
Jemco Inc. is a leader in the rock removal, drilling and blasting industry, providing quality services in Maryland, Virginia, West Virginia and DC area. Drilling, Blasting, and Rock Crushing (301) 831-3602.Jul 24, 2017 The crusher has a side access door which facilitates placement of explosives. The access door is wedged in place so there is little danger of it flying off during blasting. Although an experienced chief blaster is employed at the operation, the plant foreman performs the crusher blasting. Blast warnings were given by signs and verbal communication.